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To: aurora <aurora00@gmail.com>
Cc: Mark Lewis <mark.lewis@mir3.com>,
	pgsql-performance@postgresql.org
Subject: Re: browsing table with 2 million records 
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Comments: In-reply-to aurora <aurora00@gmail.com>
	message dated "Wed, 26 Oct 2005 14:22:58 -0700"
Date: Wed, 26 Oct 2005 17:31:57 -0400
Message-ID: <11775.1130362317@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
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aurora <aurora00@gmail.com> writes:
> It would still be helpful if select count(*) can perform well.

If you can settle for an approximate count, pg_class.reltuples might
help you.

			regards, tom lane